Home / 68,639.36-102,960.84-23,660.24

Finding the Fourth Proportional to 68,639.36, 102,960.84 and 23,660.24

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Solution

The fourth proportional to 68,639.36, 102,960.84 and 23,660.24 is: 35,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639.36 : 102,960.84 = 23,660.24 : x
  2. Step 2: Convert to fraction form
    68,639.36/102,960.84 = 23,660.24/x
  3. Step 3: Cross multiply
    68,639.36x = 102,960.84 × 23,660.24
  4. Step 4: Simplify right side
    68,639.36x = 2,436,078,185.00
  5. Step 5: Solve for x
    x = 2,436,078,185.00/68,639.36
  6. Step 6: Final answer
    x = 35,490.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.